Do All Animals Have Hearts?


All animals have hearts; the only difference is that their hearts are different in structures. For instance, the mammalian heart is four chambered, the reptile and amphibian heart is three chambered, and that of fish is two chambered.
Q&A Related to "Do All Animals Have Hearts?"
Amaa devu chandra has no heart.
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Great question, Christine! The short answer is you teach the Leave It and Drop It commands without a ball in sight. Practice with lots of things. Remember that YOU own the ball
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